1
I read the newspaper during I eat breakfast.
I read the newspaper while I eat breakfast.
I read the newspaper during breakfast.
Use while + subject + verb: ‘I fell asleep while I was watching the film.’
Use during + noun or noun phrase: ‘I fell asleep during the film.’
2
I lived in London during three years.
I lived in London for three years.
Use for + period of time to say how long something lasts: ‘We waited for two hours.’
Use during + noun or noun phrase to say when something happens: ‘I visited several museums during my three years in London.’
Throughout means ‘during the whole period’: ‘He slept throughout the film.’
Check our grammar lesson on how to use during, for and while.